docs: def convert_pointSource(self, node):
          """
          Convert the given node into a point source object.
  
          :param node: a node with tag pointGeometry
          :returns: a :class:`openquake.hazardlib.source.PointSource` instance
          """
          geom = node.pointGeometry
          lon_lat = ~geom.Point.pos
          msr = valid.SCALEREL[~node.magScaleRel]()
          return source.PointSource(
              source_id=node['id'],
              name=node['name'],
              tectonic_region_type=node.attrib.get('tectonicRegion'),
              mfd=self.convert_mfdist(node),
              rupture_mesh_spacing=self.rupture_mesh_spacing,
              magnitude_scaling_relationship=msr,
              rupture_aspect_ratio=~node.ruptAspectRatio,
              upper_seismogenic_depth=~geom.upperSeismoDepth,
              lower_seismogenic_depth=~geom.lowerSeismoDepth,
              location=geo.Point(*lon_lat),
              nodal_plane_distribution=self.convert_npdist(node),
              hypocenter_distribution=self.convert_hpdist(node),
              temporal_occurrence_model=self.get_tom(node))